diff --git a/.gitignore b/.gitignore
index f8b73e7..5745d50 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,8 @@ __pycache__/
 # C extensions
 *.so
 
+last_id.txt
+
 # Distribution / packaging
 .Python
 build/
diff --git a/Dockerfile b/Dockerfile
index 99a0c15..677be5d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,10 @@
 FROM selenium/standalone-chrome
 
-ADD . /app
-
+COPY . /app
 WORKDIR /app
 
 RUN sudo apt update
 RUN sudo apt install -y python3-pip
 RUN pip3 install -r requirements.txt
 
-CMD ["python3", "main.py"]
+ENTRYPOINT ["python3", "main.py"]
diff --git a/last_id.txt b/last_id.txt
index 1c89816..791b53f 100644
--- a/last_id.txt
+++ b/last_id.txt
@@ -1,2 +1,5 @@
 107896829133801546
 107897040775908429
+107897463271547378
+107897497559464026
+107897507395948056
diff --git a/main.py b/main.py
index 097c5a8..f5a2fc6 100644
--- a/main.py
+++ b/main.py
@@ -2,6 +2,7 @@ from mastodon import Mastodon
 import argparse
 from selenium import webdriver
 from selenium.webdriver.common.by import By
+from selenium.webdriver.chrome.options import Options
 import time
 
 
@@ -18,7 +19,11 @@ def post_fanfou(webdrive_, fanfou_status, images=None):
     pass
 
 def run(instance, access_token, fanfou_account, fanfou_password):
-    chrome = webdriver.Chrome()
+    chrome_options = Options()
+    chrome_options.add_argument('--headless')
+    chrome_options.add_argument('--no-sandbox')
+    chrome_options.add_argument('--disable-dev-shm-usage')
+    chrome = webdriver.Chrome(chrome_options=chrome_options)
     # login to fanfou
     chrome.get('https://m.fanfou.com/')
     login_name = chrome.find_element(by=By.NAME, value='loginname')
diff --git a/run.sh b/run.sh
index a0fd671..1be2e82 100755
--- a/run.sh
+++ b/run.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
 
 source ./env.sh
-docker build -t $YOUR_CONTAINER_NAME .; docker container run -it -v $(pwd):/app $YOUR_CONTAINER_NAME --mastodon-token $M_TOKEN --mastodon-instance $M_INSTANCE --fanfou-account $FF_ACCOUNT --fanfou-password $FF_PASSWORD
+docker build -t $YOUR_CONTAINER_NAME .
+docker container run -it -v $(pwd):/app $YOUR_CONTAINER_NAME --mastodon-token $M_TOKEN --mastodon-instance $M_INSTANCE --fanfou-account $FF_ACCOUNT --fanfou-password $FF_PASSWORD